[PATCH] pmdomain: fix collision in names when registering

Maud Spierings via B4 Relay devnull+maudspierings.gocontroll.com at kernel.org
Tue Dec 16 02:24:11 PST 2025


From: Maud Spierings <maudspierings at gocontroll.com>

After adding the imx8m-blk-ctrl driver errors started appearing about
the genpd device already being registered.

incorperate some extra device details in the device name so this
possible collision goes away.

Signed-off-by: Maud Spierings <maudspierings at gocontroll.com>
---
It wasn't just errors, it started crashing but that is a seperate issue.
It at least loads normally with this change
---
 drivers/base/power.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/power.c b/drivers/base/power.c
index c71389422a..af06f984c0 100644
--- a/drivers/base/power.c
+++ b/drivers/base/power.c
@@ -506,7 +506,7 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev,
 	if (!virt_dev)
 		return ERR_PTR(-ENOMEM);
 
-	dev_set_name(virt_dev, "genpd");
+	dev_set_name(virt_dev, "genpd:%u:%s", index, dev_name(dev));
 	virt_dev->bus = &genpd_bus_type;
 	virt_dev->parent = dev;
 	virt_dev->of_node = dev->of_node;

---
base-commit: 63898c48611dfe51409ff1f4e1c30de4b2737c48
change-id: 20251216-genpd_fix-0f1ed7d8cbb2

Best regards,
-- 
Maud Spierings <maudspierings at gocontroll.com>





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